Passenger ferry superstructure



FIG. 1 is a top plan view of a passenger ferry superstructure showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view therefore, the left side view being a mirror image of that shown; and,

FIG. 4 is a rear elevational view thereof.

The broken lines shown in FIGS. 1 through 4 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a passenger ferry superstructure, as shown and described. 